Image Tools
Aspect Ratio Calculator
Find aspect ratios from dimensions or scale width and height to 16:9, 9:16, 1:1 and more.
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What is the Aspect Ratio Calculator?
Aspect Ratio Calculator is a free online tool that find aspect ratios from dimensions or scale width and height to 16:9, 9:16, 1:1 and more.
Aspect ratio is the relationship between an image or video’s width and height (for example 16:9 for YouTube or 9:16 for Reels). Getting the ratio right avoids awkward crops on social platforms and keeps layouts consistent on the web.
Use this free calculator to simplify any pixel size to a clean ratio, preview the shape, and copy CSS aspect-ratio or padding-bottom snippets for responsive design.
How to use this aspect ratio calculator
- Enter width and height in pixels, or pick a preset like 16:9 or 1:1.
- Read the simplified ratio, decimal value, and live preview.
- Copy the CSS snippet into your stylesheet or design notes.
The Aspect Ratio Calculator is built for speed and privacy: find aspect ratios from dimensions or scale width and height to 16:9, 9:16, 1:1 and more. Typical use cases include everyday personal tasks, student assignments, freelance deliverables, and quick checks at work when you cannot install desktop software. Because files and text often stay in your browser, it is a practical choice on shared or locked-down computers.
Benefits of using this free browser tool include zero install, instant results, unlimited use on the Free plan, and compatibility with phones, tablets, and laptops. Bookmark this page to return anytime, and pair it with related tools in the same category when your workflow needs multiple steps.
Key facts about the Aspect Ratio Calculator
| Fact | Detail |
|---|---|
| Tool | Aspect Ratio Calculator |
| Price | Free to use on Mytulify |
| Signup required | No |
| Processing | In your browser (client-side) |
| Daily limit (Free) | Unlimited |
Frequently asked questions
What is aspect ratio?
Aspect ratio compares width to height. A 1920×1080 video simplifies to 16:9 — the same shape at any resolution.
Which ratio should I use for Instagram Reels?
Reels and TikTok Shorts typically use 9:16 (vertical). Feed posts often use 1:1 or 4:5.
Is this tool free?
Yes. It runs entirely in your browser on Mytulify — unlimited use, no signup.
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